Idon't understand this question can anyone

If qrs tuv, which congruences are true by cpctc? check all that apply. a. q u b. rs tu c. qs tv d. qr tu e. s v f. r u

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap